42144356346 has 64 divisors (see below), whose sum is σ = 89785860096. Its totient is φ = 13164379200.

The previous prime is 42144356329. The next prime is 42144356357. The reversal of 42144356346 is 64365344124.

It is a super-2 number, since 2×42144356346² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 42144356298 and 42144356307.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1437591 + ... + 1466613.

It is an arithmetic number, because the mean of its divisors is an integer number (1402904064).

Almost surely, 2^42144356346 is an apocalyptic number.

42144356346 is an abundant number, since it is smaller than the sum of its proper divisors (47641503750).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

42144356346 is a wasteful number, since it uses less digits than its factorization.

42144356346 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29307.

The product of its digits is 829440, while the sum is 42.

The spelling of 42144356346 in words is "forty-two billion, one hundred forty-four million, three hundred fifty-six thousand, three hundred forty-six".